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UNIFIED SOIL CLASSIFICATION - ASTM D2487-85 <br /> MAJOR DIVISIONTS TYPICAL NANffiS <br /> G W _ WELL GRADED GRAVELS WITH OR <br /> r WITHOUT SAND,L1TTLE OR NO FINES <br /> GRAVELS CLEAN GRAVELS WITH <br /> C9 LITTLE OR NO FINES -: POORLY GRADED GRAVELS WITH OR <br /> w G P <br /> MORE THAN •`'. WTTHOTJT SAND,LITTLE OR NO FINES <br />' , a I ALF COARSE <br /> FRACTION IS SILTY GRAVELS,SILTY GRAVELS <br /> O o LARGER THAN G ;ViItl <br /> v w No 4SMVE WITH SAND <br /> SIZE GRAVELS WITH OVER <br /> A y w 12%FINES G C CLAYEY GRAVELS CLAYEY <br /> z w <br /> GRAVELS WITH SAND <br />' -3 S w ��4�� WELL GRADED SANDS WITH OR WITH- <br /> 0 i • 0 OUT GRAVEL,LITTLE OR NO FINES <br /> O CLEAN SANDS WITH <br /> i z o LITTLE OR NO FINES POORLY OR <br /> m t z SANDS S P <br /> if i e• r WM _7 GPAVI:L,LITTLED SANDS E OORR NO FINES <br />' x x • r a <br /> E F Z <br /> C e MORE THAN SILTY SANDS WITH OR <br /> HALF COARSE S AI s <br /> x FRACTION IS • • WTIHOUTGRAVEL <br /> p SMALLER SANDS WITH OVER s s <br /> THAN Na 4 12%FINES • • • <br /> SIEVE SIZE S C • � ! CLAYEY SANDS WITH OR <br /> WITHOUT GRAVEL <br /> • � w <br /> a M I, INORGANIC SILTS AND VERT'FINE SANDS, <br /> ROCK FLOTJR.SILTS WITH SANDS AND <br /> z SILTS and CLAYS ' <br /> INORGAIr'IC CLAYS OF LOSE'TO MEDIUM <br /> a w o C L ?LASTIC;I'Y,CLAYS W {'H TSANDS AND <br /> LIQUID LINUT SO ro OR LESS GRAVFUI LEAN CLAYS <br /> y 1 1 ( <br /> O L 1 ORGANIC SILTS OR CLAYS OF <br /> c e 1 1 LOW PLASTICITY <br /> � _ o <br /> Z a <br /> MH INORCTA IIIC SILTS MICACEOUS OR DIA <br /> ^' = TUMACIOUS,FINE SANDY OR SILTY SOILS, <br /> Z z SILTS And CLAYS asTlc sr s <br /> L < C H INORGANIC CLAYS OF HIGH PLASTICITY, <br /> x z FAT CLAYS <br /> m W < LIQUID L3MIT GREATER THAN 50% <br /> z = <br /> ORGANIC SILTS OR CLAYS OF MEDIUM <br /> i <br /> x O II / / � TO HIGH PLASTICITY <br /> HIGHLY ORGANIC SOILS P t PEAT AND OTHER HIGHLY ORGANIC <br /> SOILS <br /> i <br /> i <br /> 4u Zl WQ <br /> W}ir i r p • 7 odesto 45 S7 6729 <br />